DrS
@drsan
·
Do you know? #17
In one square inch of our hand we have nine feet of blood vessels, 600 pain sensors, 9000 nerve endings, 36 heat sensors and 75 pressure sensors.
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@drsan
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In one square inch of our hand we have nine feet of blood vessels, 600 pain sensors, 9000 nerve endings, 36 heat sensors and 75 pressure sensors.
In one square inch of our hand we have nine feet of blood vessels, 600 pain sensors, 9000 nerve endings, 36 heat sensors and 75 pressure sensors.
Your eyeballs are three and a half percent salt.
Every square inch of the human body has an average of 32 million bacteria on it.
Humans have more facial muscles than any other animal on earth - 22 on each side of the face.
In 24 hours, the blood in the body travels a total of 12,000 miles - that's four times the width of North America.
If you blink one eye you move over 200 muscles.
** One square inch of human skin contains 625 sweat glands.**
A person can expect to breathe in about 45 pounds of dust over his/her lifetime.